Safety device for use in clamping unit of molding machine

Details Safety device for use in clamping unit of molding machine Safety device for use in clamping unit of molding machine

1997-10-06

1998-11-10

Mackey, James P.

Plastic article or earthenware shaping or treating: apparatus

With safety feature

425152, 425153, 425DIG45, B29C 4584

Patent

active

058340360

ABSTRACT:
A safety device for use in a clamping unit of a molding machine is provided with an improved mechanism to always secure safety when the thickness of a mold is adjusted. The device comprises a safety rod having a predetermined number of engagement stepped portions and tapered surfaces formed alternately at a front end portion at predetermined intervals, a support block for supporting the safety rod, a lever member, a stopper engaged with the engagement stepped portion of the safety rod from sideways, and an operation member having a link bar arranged horizontally in such a manner that the link bar can swing freely and always located below the end portion of the lever member.

REFERENCES:
patent: 3386133 (1968-06-01), Weiner
patent: 3728057 (1973-04-01), Grundmann et al.
patent: 4340346 (1982-07-01), Hehl
patent: 4373890 (1983-02-01), Hehl

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